Re: [OMPI users] weird problem with passing data between nodes

2008-06-13 Thread Mattijs Janssens
Sounds like a typical deadlock situation. All processors are waiting for one another. Not a specialist but from what I know if the messages are small enough they'll be offloaded to kernel/hardware and there is no deadlock. That why it might work for small messages and/or certain mpi implementat

Re: [OMPI users] OpenMPI bug?

2008-06-13 Thread Gabriele Fatigati
I'm sorry. The previous code block reported, is referred to 32 bit not 64. So, the right code block is: static inline int opal_atomic_cmpset_32( volatile int32_t *addr, int32_t oldval, int32_t newval) { unsigned char ret; __asm__ __volatile (

Re: [OMPI users] OpenMPI bug?

2008-06-13 Thread Gabriele Fatigati
Maybe, i solved this bug, deleting long cast. Now, in compile time, it works well, but at runtime, there are other problems, like this: ../../../opal/class/opal_object.h:428:Bounds error: pointer arithmetic would overrun the end of the object. ../../../opal/class/opal_object.h:428: Pointer value:

Re: [OMPI users] Problem with getting started [solved]

2008-06-13 Thread Manuel Freiberger
Hello, Well, actually I'm quite sure that it was not the firewall because I had to turn it off as otherwise no connection could be established. So my iptables --list returns Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target